Home / 776,277,644.80-1,071,278,060.80-423,867,608.32

Finding the Fourth Proportional to 776,277,644.80, 1,071,278,060.80 and 423,867,608.32

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Solution

The fourth proportional to 776,277,644.80, 1,071,278,060.80 and 423,867,608.32 is: 584,945,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,277,644.80 : 1,071,278,060.80 = 423,867,608.32 : x
  2. Step 2: Convert to fraction form
    776,277,644.80/1,071,278,060.80 = 423,867,608.32/x
  3. Step 3: Cross multiply
    776,277,644.80x = 1,071,278,060.80 × 423,867,608.32
  4. Step 4: Simplify right side
    776,277,644.80x = 454,080,069,476,983,488
  5. Step 5: Solve for x
    x = 454,080,069,476,983,488/776,277,644.80
  6. Step 6: Final answer
    x = 584,945,441.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.